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Installations de préservation du bois, arséniate de cuivre et de zinc ammoniacal : chapitre C, tableau 24


Tableau 24. Concentrations de fond types des composants de l'arséniate de cuivre et de zinc ammoniacal (ACZA)

Élément Concentrations types dans les milieux non pollués
  Eaux de surface (mg/L) Sols (mg/kg)
Cuivre (Cu) < 0,001 à 0,04 2 à 100
Arsenic (As) < 0,001 à 0,01 1 à 50 (peut atteindre 500 mg/kg dans les dépôts de sulfure)
Ammoniac (NH3) < 0,1 1 à 5 ppm (sous forme de NH4+)
Zinc (Zn) < 0,05 60

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2017-09-10

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